Home / 2,889.87-4,334.33-1,329.81

Finding the Fourth Proportional to 2,889.87, 4,334.33 and 1,329.81

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Solution

The fourth proportional to 2,889.87, 4,334.33 and 1,329.81 is: 1,994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.87 : 4,334.33 = 1,329.81 : x
  2. Step 2: Convert to fraction form
    2,889.87/4,334.33 = 1,329.81/x
  3. Step 3: Cross multiply
    2,889.87x = 4,334.33 × 1,329.81
  4. Step 4: Simplify right side
    2,889.87x = 5,763,835.38
  5. Step 5: Solve for x
    x = 5,763,835.38/2,889.87
  6. Step 6: Final answer
    x = 1,994.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.